The Endo - conversion 、 Exo - yield andExo - selectivity are 96.46 % 、93.12 % and 96.54 % respectively.Endo -THDCPD 转化率为96.46%,Exo -THDCPD 收率为93.12%,选择性为96.54%.EAD was much more readily induced in Mid than in Epi and End...
若是不能及时把积雪从道路上清理走, 就会被压实,给车辆行驶带来困难.If the snow isn't cleared from the roads quickly, it packs down hard and makes driving difficult.水道内由不可压实的砂或砂砾物质充填.The channel is filled with noncompactible sand, or with sand and g...